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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin >> n;
  7. 	vector<int> a(n);
  8. 	for(int i = 0; i < n; i++) cin >> a[i];
  9.  
  10. 	int count = 0;
  11. 	for(int i = 0; i < n; i++){
  12. 		for(int j = 0; j < n; j++){
  13. 			for(int k = 0; k < n; k++){
  14. 				if((a[i] | a[j] | a[k]) == 7)
  15. 					count++;
  16. 			}
  17. 		}
  18. 	}
  19. 	cout << count;
  20. 	return 0;
  21. }
Success #stdin #stdout 0.01s 5304KB
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https://ideone.com/BEKVst
language:
C++ (gcc 8.3)
created:
13 days ago
visibility:
public

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